ICS252

FIELD PROGRAMMABLE DUAL OUTPUT SS VERSACLOCK SYNTHESIZER

EPROM CLOCK SYNTHESIZER

IDT® FIELD PROGRAMMABLE DUAL OUTPUT SS VERSACLOCK SYNTHESIZER 6

ICS252

REV K 030212

AC Electrical Characteristics

Unless stated otherwise, VDD = 3.3 V ±5%, Ambient Temperature -40 to +85

° C

Note 1: Measured with 15 pF load.

Note 2: Duty Cycle is configuration dependent. Most configurations are minimum 45% and maximum 55%.

Thermal Characteristics

Parameter

Symbol

Conditions

Min.

Typ.

Max.

Units

Input Frequency

Fundamental Crystal

5

27

MHz

Input Clock

2

150

MHz

Output Frequency

0.314

200

MHz

Output Rise Time

20% to 80%, Note 1

1

ns

Output Fall Time

80% to 20%, Note 1

1

ns

Duty Cycle

Note 2

40

49-51

60

%

Power-up Time

PLL lock time from

power-up

410

ms

PDTS goes high until

stable CLK output,

Spread Spectrum Off

.6

2

ms

PDTS goes high until

stable CLK output,

Spread Spectrum On

47

ms

PDTS goes high until

spread spectrum is

stable, Spread Spectrum

On

10

50

ms

One Sigma Clock Period Jitter

Configuration Dependent

50

ps

Maximum Absolute Jitter

Deviation from Mean.

Configuration Dependent

+200

ps

Parameter

Symbol

Conditions

Min.

Typ.

Max.

Units

Thermal Resistance Junction to

Ambient

Still air

150

° C/W

1 m/s air flow

140

° C/W

3 m/s air flow

120

° C/W

Thermal Resistance Junction to Case

40

° C/W